Warning/Construction ( WA, WB, WC & WD)


Warning signs provide an advance indication of conditions on or adjacent to a road that is potentially hazardous to drivers.

WA:   Physical condition signs indicate features or conditions on the road itself.

WB:   Traffic regulation ahead signs provide an advance warning of a traffic regulation on the road.

WC:   Intermittent or moving-hazard signs indicate the possibility of a situation that may require a driver’s response.

WD:   Used to regulate, warn and guide drivers in work zones where construction, maintenance or utility activities, or other temporary or unusual circumstances exist on or near a roadway